Observation 95645: Bryoria fuscescens (Gyelnik) Brodo & D. Hawksw.

When: 2012-05-25

Collection location: Umptanum Falls, Kittitas Co., Washington, USA [Click for map]

46.8951° -120.6315° 745m

Who: nastassja (Nastassja Noell)

Specimen available

Notes:
Substrate: Attached to trunk of aspen, 3-5 ft above ground, protected from sun, slightly protected from wind.

Habitat: Riparian aspen grove, surrounded by sagebrush steppe.

Description: Common in plot. Difficult to find mature specimen. Has white soralia.

Images

222390
Copyright © 2012 Jesse Taylor
222391
Copyright © 2012 Jesse Taylor

Proposed Names

61% (2)
Eyes3
Used references: McCune MLPNW
Based on chemical features: Medulla/Cortex: P-; Soralia: P+O to R

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Ah, welcome to the joys of Bryoria!
By: Jason Hollinger (jason)
2012-05-30 21:50:43 +03 (+0300)

This looks like B. fuscescens to me. But in the end I have to run everything by Trevor. I still regularly get it wrong even when I think it’s obvious.

Cortex/Medulla P-; Soralia P+O to R
By: nastassja (Nastassja Noell)
2012-05-30 10:39:36 +03 (+0300)

along with the soralia being larger than the branches they arise from seems to indeed indicate B. fuscesens :) (I can’t seem to get the V vs U thing on some of these specimens, seems kinda variable sometimes).

With soralia…
By: Jason Hollinger (jason)
2012-05-29 20:58:48 +03 (+0300)

Best odds are on B. fuscescens. B. glabra is hard to distinguish but also common farther north: it tends to be shinier and its branch axils are sort of rounded and U-shaped. The other one to watch for is B. fremontii, but it should have yellowish soralia, thicker “trunk” branch, and is P- (the other two are P+o/r).

Created: 2012-05-28 02:04:33 03 (0300)
Last modified: 2012-05-30 21:51:25 03 (0300)
Viewed: 116 times, last viewed: 2017-06-13 09:07:50 03 (0300)
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